Document the Admin UI in the Tutorial

[n2ygk]

Is your feature request related to a problem? Please describe.

It occurred to me when reviewing #1041 improvement to the admin UI that we document the UI in general in the Tutorial.

Describe the solution you'd like

A walk through of the admin UI with some screenshots.

Describe alternatives you've considered

Additional context

[Zoronium]

Hello , I wanted to ask that if this issue is sill open , and can I give it a try ? thx